Direct modulation optical transmitter DM1550-xx, 1550nm, 2 output ports, 2-8mW output optical power, 47~862MHz, SBS, AGC, imperial F type female port, FC/APC or SC/APC connector, RJ45 and RS232 port, VFD, 19" 1U, EURO or USA power supply.

Feature:                                                       
> Low chirp, high linearity DFB laser, chirp compensation

> Dual module RF driver , high efficient laser pre-distortion adjustment

> Full-automatic OMI control, AGC & MGC

> Intuitionistic modulation status display

> Built-in dual back-up power supply, switch automatically

> Casing temperature auto-control, ensure the long life of the laser
 

Specification:

Item	Specification
Optical feature
Optical wavelength	1548~1563nm 1530~1563nm	CATV wavelength ITU standard
Linewidth	1MHz	FWHM(△λ)
Side mode suppression ratio	45dB	SMSR
Extinction ratio	20dB	XP
Equivalent noise intensity	-160dB/Hz	RIN (20~1000MHz)
Output power	6dBm	3, 10 options
Return loss	55dB
Optical fiber connector	FC/APC or SC/APC
RF feature
Work bandwidth	45~862MHz
Input level	202dBmV	MGC
Fatness	±0.75dB	45~862MHz
Rerun loss	＞16dB
Input impedance	75ohm	RF/INPUT
RF test	0±1dB
Link feature
Transmit channel	PAL-D/60CH	NTSC/80CH
CNR	50dB	-1dBm receive
CTB	-63dB
CSO	-57dB
SBS restrain	≥17dBm
General feature
Network management interface	RJ45, RS232	Support IE &SNMP
Power supply	90~265V	-48V optional
Power consume	≤50W	Single power works
Work temperature	℃	Machine temperature Control automatically
Storage temperature	-40~85℃
Relative humidity	5~95%
Dimension	19inch,1U

Application: